날씨 앱 [STEP 1] eunduk2 #38
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| // | ||
| // ImageManager.swift | ||
| // WeatherForecast | ||
| // | ||
| // Created by EUNSUNG on 4/25/24. | ||
| // | ||
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| import UIKit | ||
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| struct ImageManager { | ||
| private let imageChache: NSCache<NSString, UIImage> = NSCache() | ||
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| func downloadImage(urlString: String) async -> UIImage? { | ||
| guard let url: URL = URL(string: urlString), | ||
| let (data, _) = try? await URLSession.shared.data(from: url), | ||
| let image: UIImage = UIImage(data: data) else { | ||
| return nil | ||
| } | ||
| return image | ||
| } | ||
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| func getImageChache(forKey: String) -> UIImage? { | ||
| guard let image = imageChache.object(forKey: forKey as NSString) else { return nil } | ||
| return image | ||
| } | ||
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| func setImageChache(image: UIImage, forKey: String) { | ||
| imageChache.setObject(image, forKey: forKey as NSString) | ||
| } | ||
| } | ||
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ImageCachable 과 같은 프로토콜을 선언하고, 이미지 캐시만을 담당하는 객체를 만들어서 이미지 다운로드 하는 객체와 분리해보는건 어떨까요?